Home / 8,219.46-11,334.69-5,234.22

Finding the Fourth Proportional to 8,219.46, 11,334.69 and 5,234.22

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Solution

The fourth proportional to 8,219.46, 11,334.69 and 5,234.22 is: 7,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.46 : 11,334.69 = 5,234.22 : x
  2. Step 2: Convert to fraction form
    8,219.46/11,334.69 = 5,234.22/x
  3. Step 3: Cross multiply
    8,219.46x = 11,334.69 × 5,234.22
  4. Step 4: Simplify right side
    8,219.46x = 59,328,261.09
  5. Step 5: Solve for x
    x = 59,328,261.09/8,219.46
  6. Step 6: Final answer
    x = 7,218.02

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Half scale
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Double scale
Find fourth proportional to 8,220.46, 11,336.07 and 5,235.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.